January Weather in Osek, Czech Republic

Last updated: August 23, 2025

In January, the average temperature in Osek, Czech Republic hovers around 0°C (32°F). Expect chilly days, with temperatures dipping as low as -17°C (2°F) at times, while peaking at a warm 12°C (54°F). Over the course of the month, you'll likely encounter 44 mm (1.7 in) of precipitation spread across 11 days, adding to the crisp, 91% humidity that characterizes this season.

January Temperature in Osek

In January in Osek, the average temperature is 0°C (32°F). Maximums can reach 12°C (54°F), and minimums can be as low as -17°C (2°F). This climate suggests that travelers should prepare for cold temperatures and dress in layers to stay warm while exploring the region.

January Weather in Osek: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Osek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osek, January typically has an average temperature of 0°C (32°F), with highs reaching up to 12°C (54°F) and lows dropping to around -17°C (2°F).

Data source: Temperature data for Osek generated using information from the Copernicus Climate Change Service.

January Precipitation in Osek

In Osek in January, the precipitation amount is 44 mm (1.7 in) during 11 days, indicating a relatively wet period for that time of year.

January Precipitation Trends in Osek

The chart displays monthly precipitation patterns in Osek, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Osek, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Osek

In Osek in January, humidity is 91%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that penetrates your clothes, making every movement feel heavy and uncomfortable for traveling.

January Average Humidity in Osek

This chart illustrates the average monthly humidity levels in Osek, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Osek is approximately 91%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Osek

In Osek in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Osek, you can visit Hourly UV Index in Osek.

Maximum UV Index Levels in Osek for January

The chart shows the monthly maximum UV Index (UVI) for Osek in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Osek typically reaches 2, which falls under the low exposure category.

Data source: Osek January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Osek Compares to Other Months

Weather in Osek varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Osek, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Osek, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	44 mm (1.7 inches)	91%	low
February Weather	1°C (35°F)	47 mm (1.9 inches)	89%	moderate
March Weather	4°C (40°F)	47 mm (1.8 inches)	87%	moderate
April Weather	8°C (48°F)	43 mm (1.7 inches)	82%	high
May Weather	13°C (55°F)	95 mm (3.8 inches)	76%	very high
June Weather	18°C (65°F)	95 mm (3.7 inches)	80%	very high
July Weather	19°C (66°F)	82 mm (3.2 inches)	80%	very high
August Weather	19°C (66°F)	92 mm (3.6 inches)	82%	very high
September Weather	14°C (58°F)	65 mm (2.5 inches)	82%	high
October Weather	10°C (50°F)	50 mm (2.0 inches)	87%	moderate
November Weather	4°C (40°F)	41 mm (1.6 inches)	89%	low
December Weather	1°C (35°F)	55 mm (2.2 inches)	92%	low